XAML transparent Window

<Window x:Class="WpfApplication3.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApplication3"
        mc:Ignorable="d"
        Title="MainWindow"
        Height="350"
        Width="525"
        Background="{x:Null}"
        AllowsTransparency="True"
        WindowStyle="None"
        Topmost="True">
    <Grid>
        <Ellipse Fill="Blue"
                 Margin="113.335,47.471,103.459,61.191" />
        
        <Rectangle Fill="#99000000"
                   IsHitTestVisible="False" />
    </Grid>
</Window>

Thank you a lot😀. This just helped me build a transparent window. I'm new to Visual Studio and C#

😊